Explorers in the 20th and 21st Centuries: From Auguste Piccard to James Cameron
The Cambridge Companion to Nelson Mandela
Explorers of the Late Renaissance and the Enlightenment: From Sir Francis Drake to Mungo Park
The Constitution and the Founding of a New Nation
Re-Framers: 170 Eccentric, Visionary, and Patriotic Proposals to Rewrite the U.S. Constitution
Scientists and Inventors of the Renaissance
Race and Racism in the United States
The Reference Shelf: Arab Spring
Native American Boarding Schools
First Amendment Rights: An Encyclopedia
The Women's Liberation Movement
African American Poets: Critical survey of poetry
Substance Abuse in America: A Documentary and Reference Guide